| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] weeks [prep] [art] time | 16 |
|
| 2 | [prep] [num] weeks [prep] [art] time | 11 |
|
| 3 | [prep] several weeks [prep] [art] time | 5 |
|
| 4 | [prep] [det] weeks [prep] [art] time | 5 |
|
| 5 | [prep] several weeks [prep] [art] time | 5 |
|
